条件筛选
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What are the precautions for chemical weed control in rapeseed?
What should be noted when using chemical weed control in rapeseed? Please give guidance. For chemical weed control in rapeseed, the higher the temperature, the faster the effect. The best control effect is achieved during the vigorous growth period of weeds (before the 3-4 leaf stage), that is, about 20 days after rapeseed transplanting. 1. It is strictly prohibited to use herbicides banned by the state. Such as metsulfuron-methyl, chlorsulfuron, tribenuron-methyl and their compound formulations...